111320440157 has 2 divisors, whose sum is σ = 111320440158. Its totient is φ = 111320440156.

The previous prime is 111320440129. The next prime is 111320440163. The reversal of 111320440157 is 751044023111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107784829636 + 3535610521 = 328306^2 + 59461^2 .

It is a cyclic number.

It is not a de Polignac number, because 111320440157 - 2¹⁶ = 111320374621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111320445157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55660220078 + 55660220079.

It is an arithmetic number, because the mean of its divisors is an integer number (55660220079).

Almost surely, 2^111320440157 is an apocalyptic number.

It is an amenable number.

111320440157 is a deficient number, since it is larger than the sum of its proper divisors (1).

111320440157 is an equidigital number, since it uses as much as digits as its factorization.

111320440157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 29.

Adding to 111320440157 its reverse (751044023111), we get a palindrome (862364463268).

The spelling of 111320440157 in words is "one hundred eleven billion, three hundred twenty million, four hundred forty thousand, one hundred fifty-seven".